From: Pan Li <[email protected]>
After the middle-end involve slp_node and vectype to the
record_stmt_cost, we found some test like vx_vf/vx-4* is failed
to vectorize. Per-suggestion from Richard, it is a backend issue that
makes the vector costs is greater than scalar.
After some investigation, the adjust_stmt_cost doesn't pick up the
param from command line and always get 2 here.
PR/target 123916
gcc/ChangeLog:
* config/riscv/riscv-vector-costs.cc (costs::adjust_stmt_cost):
Signed-off-by: Pan Li <[email protected]>
---
gcc/config/riscv/riscv-vector-costs.cc | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/gcc/config/riscv/riscv-vector-costs.cc
b/gcc/config/riscv/riscv-vector-costs.cc
index 782796ed43e..1d137a61fb9 100644
--- a/gcc/config/riscv/riscv-vector-costs.cc
+++ b/gcc/config/riscv/riscv-vector-costs.cc
@@ -1249,13 +1249,10 @@ costs::adjust_stmt_cost (enum vect_cost_for_stmt kind,
loop_vec_info loop,
switch (kind)
{
case scalar_to_vec:
+ case vec_to_scalar:
stmt_cost
+= (FLOAT_TYPE_P (vectype) ? get_fr2vr_cost () : get_gr2vr_cost ());
break;
- case vec_to_scalar:
- stmt_cost += (FLOAT_TYPE_P (vectype) ? costs->regmove->VR2FR
- : costs->regmove->VR2GR);
- break;
case vector_load:
case vector_store:
{
--
2.43.0
